Victoria Bosio defeated Maria Camila Osorio Serrano 4-6 6-4 6-3 in the W60 Colina quarter-final on clay. The upset overturned the form book — Maria Camila Osorio Serrano came in leading the head-to-head 2–0. Victoria Bosio claimed a first win over Maria Camila Osorio Serrano in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-23 | W25 Cucuta | R16 | clay | Maria Camila Osorio Serrano | 6-1 4-6 6-1 |
| 2019-08-16 | W25 Guayaquil | QF | clay | Maria Camila Osorio Serrano | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.